puerto rico
Cold War Spy Weapon & Largest Satellite
Jun 20 2011
This is the largest radio telescope to be constructed on the face of the planet. It was built in 1960's and has many different roles that it served, and serves to this day. It served as a military spy weapon during the Cold War and it disproved many theories and discovered many new things in space such as the first asteroid captured on an image. Take a look at this engineering marvel.
